import java.util.Scanner;
public class Example3_4{
  public static void main (String args[]){
    int number=0;
    System.out.println("输入正整数（回车确定）");
    Scanner reader =new Scanner (System.in);
    number =reader.nextInt();
    switch(number){
      case 9:   
      case 131:
      case 12: System.out.println(number+"是三等奖");
                 break;
      case 209:
      case 596:
      case 27: System.out.println(number+"是二等奖");
            break;
      case 875:
      case 316:
      case 59: System.out.println(number+"是一等奖");
           break;
      default : System.out.println(number+"未中奖");
}
}
}
